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2014-06-11

Miniaturized Low Frequency Platform Tolerant Antenna

By Shaozhen Zhu, Daniel Graham, Kenneth Lee Ford, Alan Tennant, and Richard J. Langley
Progress In Electromagnetics Research, Vol. 146, 195-207, 2014
doi:10.2528/PIER14040305

Abstract

A miniature platform tolerant antenna is presented which is suitable for low frequency applications. A Split Ring Resonator (SRR) antenna loaded with lumped capacitances is proposed. The antenna is compact, low profile and easy to fabricate. It has a maximum dimension of λ/9 and -10 dB bandwidth of 1%. Miniaturized artificial magnetic conductor surfaces (AMCs) are designed using capacitance loaded metal patches with individual elements measuring just λ/70. Placing the SRR above the AMC improves the bandwidth to between 1.5 and 3.5% dependent on the overall size of the AMC and produces a platform tolerant antenna measuring 0.11λ×0.17λ×0.019λ. The performance of the antenna over an AMC with and without vias is studied and discussed. The AMC mounted antenna's performance in free space and over a ground plane is also compared.

Citation


Shaozhen Zhu, Daniel Graham, Kenneth Lee Ford, Alan Tennant, and Richard J. Langley, "Miniaturized Low Frequency Platform Tolerant Antenna," Progress In Electromagnetics Research, Vol. 146, 195-207, 2014.
doi:10.2528/PIER14040305
http://jpier.org/PIER/pier.php?paper=14040305

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